US Department of State
Travel.state.gov: International Travel: Dominican Republic
This site has information for traveling in the Dominican Republic from the U.S. Department of State. Provides important information for safe travel and provides links to other sites of particular interest to U.S. tourists.
US Department of State
Dept. Of State: Consular Information Sheet: El Salvador
This site has information for traveling in El Salvador from the U.S. Department of State. Provides important information for safe travel and provides links to other sites of particular interest to U.S. tourists.
Other
Legal Guide for Immigrants: Becoming a Citizen
A comprehensive, yet comprehensible, explanation in English and Spanish of how to obtain citizenship in the United States.